Advising on research methods: Selected topics 2012 results from a research master course Methodological Advice that was given at the University of Amsterdam, fall 2012 by Don Mellenbergh and Herman Adèr. The objectives of this course were: (a) to acquire methodological knowledge that is needed for advising researchers in the behavioral and social sciences, and(b) to get experience with methodological consultancy.The main material for the course was the book:Advising on research methods: a consultant's companionby Herman J. Adèr and Gideon J. Mellenbergh (with contributions by David J. Hand).The students had to fulfill various assignments, one of which was to write a paper on a topic that may come up during methodological consultancy.In the beginning of the course, paper topics were selected from a list of relevant methodological issues. The publication process of drafting, submitting, reviewing, adapting and correcting was the same as in the production of any other edited paper collection.